/* ============================================================
   LAYONCUBE – PREMIUM STYLESHEET
   Version: 2026
============================================================ */

/* ============================================================
   1. CSS CUSTOM PROPERTIES
============================================================ */
:root {
  /* Brand Colors */
  --color-primary:      #2563EB;
  --color-secondary:    #3B82F6;
  --color-accent:       #60A5FA;
  --color-primary-glow: rgba(37, 99, 235, 0.25);
  --color-accent-glow:  rgba(96, 165, 250, 0.15);

  /* Surface Colors */
  --color-bg:           #050816;
  --color-bg-2:         #070d20;
  --color-card:         #111827;
  --color-card-hover:   #1a2438;
  --color-border:       rgba(255, 255, 255, 0.08);
  --color-border-hover: rgba(37, 99, 235, 0.4);

  /* Text Colors */
  --color-text:         #FFFFFF;
  --color-text-muted:   #94A3B8;
  --color-text-dim:     #64748B;

  /* Status */
  --color-success:      #22C55E;
  --color-warning:      #F59E0B;
  --color-error:        #EF4444;

  /* Typography */
  --font-display:       'Plus Jakarta Sans', 'Inter', system-ui, sans-serif;
  --font-body:          'Inter', system-ui, sans-serif;

  /* Type Scale (fluid) */
  --text-xs:   clamp(0.7rem, 0.68rem + 0.1vw, 0.75rem);
  --text-sm:   clamp(0.8rem, 0.78rem + 0.1vw, 0.875rem);
  --text-base: clamp(0.9rem, 0.86rem + 0.2vw, 1rem);
  --text-md:   clamp(1rem, 0.9rem + 0.5vw, 1.125rem);
  --text-lg:   clamp(1.125rem, 1rem + 0.6vw, 1.35rem);
  --text-xl:   clamp(1.3rem, 1.1rem + 1vw, 1.75rem);
  --text-2xl:  clamp(1.6rem, 1.3rem + 1.5vw, 2.25rem);
  --text-3xl:  clamp(2rem, 1.5rem + 2.5vw, 3.25rem);
  --text-hero: clamp(2.5rem, 1.8rem + 3.5vw, 4.5rem);

  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* Radii */
  --radius-sm:   6px;
  --radius-md:   10px;
  --radius-lg:   16px;
  --radius-xl:   24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(0,0,0,0.4);
  --shadow-md:  0 4px 16px rgba(0,0,0,0.5);
  --shadow-lg:  0 12px 40px rgba(0,0,0,0.6);
  --shadow-glow: 0 0 40px rgba(37,99,235,0.3);
  --shadow-card: 0 1px 0 rgba(255,255,255,0.05) inset, 0 8px 32px rgba(0,0,0,0.4);

  /* Transitions */
  --transition-fast:   150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base:   250ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow:   400ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Layout */
  --container-max: 1280px;
  --navbar-h:      72px;
  --section-py:    clamp(4rem, 8vw, 7rem);

  /* Text aliases for external use */
  --text-muted: var(--color-text-muted);
}

/* ============================================================
   2. RESET & BASE
============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--navbar-h);
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-text);
  background-color: var(--color-bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.menu-open {
  overflow: hidden;
}

img, svg, video {
  display: block;
  max-width: 100%;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: 1.2;
}


.navbar__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
}

.logo-icon {
    width: 40px;
    height: 40px;
}

.logo-text-img {
    height: 32px;
    width: auto;
}


/* ============================================================
   3. ACCESSIBILITY
============================================================ */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* Skip link */
.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  padding: 0.5rem 1rem;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--radius-sm);
  font-weight: 600;
  z-index: 10000;
  transition: top var(--transition-fast);
}

.skip-link:focus {
  top: 1rem;
}

/* ============================================================
   4. UTILITIES
============================================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: clamp(1rem, 5vw, 2.5rem);
}

.gradient-text {
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-accent) 60%, #93C5FD 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.section {
  padding-block: var(--section-py);
  position: relative;
}

.section:nth-child(even) {
  background: var(--color-bg-2);
}

.section-header {
  text-align: center;
  max-width: 680px;
  margin-inline: auto;
  margin-bottom: clamp(2.5rem, 5vw, 4rem);
}

.section-eyebrow {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-4);
}

.section-title {
  font-size: var(--text-3xl);
  font-weight: 800;
  margin-bottom: var(--space-5);
  letter-spacing: -0.02em;
}

.section-sub {
  font-size: var(--text-md);
  color: var(--color-text-muted);
  line-height: 1.7;
}

.section-cta {
  text-align: center;
  margin-top: clamp(2rem, 4vw, 3.5rem);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  letter-spacing: 0.02em;
}

.badge--blue {
  background: rgba(37, 99, 235, 0.12);
  border: 1px solid rgba(37, 99, 235, 0.3);
  color: var(--color-accent);
}

/* Reveal animations */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* Stagger children */
.reveal:nth-child(2) { transition-delay: 80ms; }
.reveal:nth-child(3) { transition-delay: 160ms; }
.reveal:nth-child(4) { transition-delay: 240ms; }
.reveal:nth-child(5) { transition-delay: 320ms; }
.reveal:nth-child(6) { transition-delay: 400ms; }

/* ============================================================
   5. BUTTONS
============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-sm);
  letter-spacing: 0.01em;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  border: 1px solid transparent;
  white-space: nowrap;
  text-decoration: none;
  will-change: transform;
}

.btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.06);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:hover::before {
  opacity: 1;
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-primary) 0%, #1D4ED8 100%);
  color: #fff;
  border-color: var(--color-primary);
  box-shadow: 0 2px 8px rgba(37,99,235,0.35), 0 1px 0 rgba(255,255,255,0.12) inset;
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(37,99,235,0.5), 0 1px 0 rgba(255,255,255,0.15) inset;
}

.btn--primary:active {
  transform: translateY(0);
}

.btn--ghost {
  background: rgba(255,255,255,0.04);
  color: var(--color-text);
  border-color: var(--color-border);
}

.btn--ghost:hover {
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.15);
  transform: translateY(-1px);
}

.btn--sm {
  padding: 0.5rem 1rem;
  font-size: var(--text-sm);
}

.btn--lg {
  padding: 0.875rem 1.75rem;
  font-size: var(--text-base);
}

.btn--full {
  width: 100%;
  justify-content: center;
}

.btn__icon {
  display: inline-block;
  transition: transform var(--transition-fast);
}

.btn:hover .btn__icon {
  transform: translateX(3px);
}

.btn-loading {
  display: none;
}

.btn.loading .btn-text,
.btn.loading .btn__icon {
  display: none;
}

.btn.loading .btn-loading {
  display: inline;
}

/* ============================================================
   6. NAVBAR
============================================================ */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 900;
  height: var(--navbar-h);
  transition: background var(--transition-base), border-color var(--transition-base), box-shadow var(--transition-base);
}

.navbar--scrolled {
  background: rgba(5, 8, 22, 0.88);
  border-bottom: 1px solid var(--color-border);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  box-shadow: 0 8px 32px rgba(0,0,0,0.3);
}

.navbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--space-6);
}

.navbar__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  flex-shrink: 0;
}

.logo-mark {
  font-size: 1.5rem;
  color: var(--color-primary);
  line-height: 1;
}

.logo-text {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.navbar__nav {
  display: none;
}

@media (min-width: 1024px) {
  .navbar__nav {
    display: block;
  }
}

.nav-list {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.nav-link {
  display: block;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast), background var(--transition-fast);
}

.nav-link:hover,
.nav-link:focus-visible {
  color: var(--color-text);
  background: rgba(255,255,255,0.05);
}

.navbar__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

/* Hamburger */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px;
  height: 36px;
  padding: var(--space-2);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}

@media (min-width: 1024px) {
  .hamburger {
    display: none;
  }
}

.hamburger:hover {
  background: rgba(255,255,255,0.05);
}

.hamburger__line {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform var(--transition-base), opacity var(--transition-base);
}

.hamburger.active .hamburger__line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.active .hamburger__line:nth-child(2) {
  opacity: 0;
}

.hamburger.active .hamburger__line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Menu */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: rgba(5, 8, 22, 0.97);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-base);
}

.mobile-menu.open {
  opacity: 1;
  pointer-events: all;
}

.mobile-nav-list {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  text-align: center;
}

.mobile-nav-link {
  font-size: var(--text-xl);
  font-weight: 600;
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
}

.mobile-nav-link:hover {
  color: var(--color-text);
}

.mobile-nav-cta {
  margin-top: var(--space-4);
}

/* ============================================================
   7. HERO
============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: var(--navbar-h);
  overflow: hidden;
}

.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.025) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.025) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 0%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 0%, transparent 100%);
}

.hero__orb {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  animation: orb-float 12s ease-in-out infinite;
}

.hero__orb--1 {
  width: clamp(300px, 40vw, 600px);
  height: clamp(300px, 40vw, 600px);
  background: radial-gradient(circle, rgba(37,99,235,0.18) 0%, transparent 70%);
  top: -10%;
  right: -10%;
  animation-delay: 0s;
}

.hero__orb--2 {
  width: clamp(200px, 30vw, 400px);
  height: clamp(200px, 30vw, 400px);
  background: radial-gradient(circle, rgba(96,165,250,0.12) 0%, transparent 70%);
  bottom: 10%;
  left: -5%;
  animation-delay: -4s;
}

.hero__orb--3 {
  width: clamp(150px, 20vw, 300px);
  height: clamp(150px, 20vw, 300px);
  background: radial-gradient(circle, rgba(59,130,246,0.15) 0%, transparent 70%);
  top: 40%;
  left: 30%;
  animation-delay: -8s;
}

@keyframes orb-float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33%       { transform: translate(20px, -30px) scale(1.05); }
  66%       { transform: translate(-15px, 20px) scale(0.95); }
}

.hero__particles {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.4;
}

.hero__content {
  position: relative;
  z-index: 2;
  padding-block: var(--space-32) var(--space-24);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero__eyebrow {
  margin-bottom: var(--space-8);
  animation: fade-up 0.8s ease both;
}

.hero__headline {
  font-size: var(--text-hero);
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.05;
  max-width: 900px;
  margin-bottom: var(--space-8);
  animation: fade-up 0.8s 0.1s ease both;
}

.hero__sub {
  font-size: var(--text-md);
  color: var(--color-text-muted);
  max-width: 600px;
  margin-bottom: var(--space-10);
  animation: fade-up 0.8s 0.2s ease both;
  line-height: 1.7;
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  justify-content: center;
  margin-bottom: var(--space-16);
  animation: fade-up 0.8s 0.3s ease both;
}

/* Hero Stats */
.hero__stats {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: clamp(1.5rem, 5vw, 4rem);
  padding-top: var(--space-10);
  border-top: 1px solid var(--color-border);
  width: 100%;
  max-width: 700px;
  animation: fade-up 0.8s 0.4s ease both;
}

.hero__stat {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
}

.stat-number {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, #fff 0%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
}

.stat-suffix {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 900;
  background: linear-gradient(135deg, #fff 0%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
}

.stat-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

/* Floating glass cards */
.hero__floating-cards {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
  display: none;
}

@media (min-width: 1200px) {
  .hero__floating-cards {
    display: block;
  }
}

.glass-card {
  position: absolute;
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-5);
  background: rgba(17,24,39,0.7);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: var(--shadow-card);
  white-space: nowrap;
  font-size: var(--text-sm);
  font-weight: 500;
}

.glass-card--small {
  font-size: var(--text-xs);
}

.glass-card:nth-child(1) {
  top: 25%;
  right: 8%;
}

.glass-card:nth-child(2) {
  top: 55%;
  right: 6%;
}

.glass-card:nth-child(3) {
  top: 35%;
  left: 6%;
}

.glass-card__icon {
  font-size: 1.1rem;
}

@keyframes float-up {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-10px); }
}

@keyframes float-down {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(10px); }
}

.float-up  { animation: float-up  4s ease-in-out infinite; animation-delay: var(--delay, 0s); }
.float-down { animation: float-down 4s ease-in-out infinite; animation-delay: var(--delay, 0s); }

@keyframes fade-up {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: none; }
}

/* ============================================================
   8. TRUST BAR
============================================================ */
.trust-bar {
  padding-block: var(--space-8);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg-2);
  overflow: hidden;
}

.trust-bar__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: clamp(0.75rem, 2vw, 2rem);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  white-space: nowrap;
}

.trust-icon {
  font-size: 1rem;
}

.trust-divider {
  width: 1px;
  height: 1rem;
  background: var(--color-border);
  flex-shrink: 0;
}

@media (max-width: 640px) {
  .trust-divider {
    display: none;
  }
}

/* ============================================================
   9. SOLUTIONS
============================================================ */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr));
  gap: clamp(1rem, 2vw, 1.5rem);
}

.solution-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(1.25rem, 3vw, 2rem);
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.solution-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
  opacity: 0;
  transition: opacity var(--transition-base);
}

.solution-card:hover {
  border-color: rgba(37,99,235,0.3);
  background: var(--color-card-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(37,99,235,0.1);
}

.solution-card:hover::before {
  opacity: 1;
}

.solution-card__icon {
  font-size: 2rem;
  margin-bottom: var(--space-4);
  display: block;
}

.solution-card__title {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-3);
  letter-spacing: -0.01em;
}

.solution-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  margin-bottom: var(--space-5);
}

.solution-card__benefits {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.solution-card__benefits li {
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-accent);
  letter-spacing: 0.02em;
}

/* ============================================================
   10. SERVICES
============================================================ */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 280px), 1fr));
  gap: clamp(1rem, 2vw, 1.5rem);
}

.service-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(1.25rem, 3vw, 1.75rem);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  position: relative;
}

.service-card:hover,
.service-card:focus-within {
  border-color: rgba(37,99,235,0.3);
  background: var(--color-card-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-md), 0 0 0 1px rgba(37,99,235,0.08);
}

.service-card--featured {
  border-color: rgba(37,99,235,0.3);
  background: linear-gradient(135deg, #111827 0%, rgba(37,99,235,0.06) 100%);
}

.service-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.service-icon {
  font-size: 1.75rem;
  display: block;
}

.service-tag {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  background: rgba(255,255,255,0.05);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  border: 1px solid var(--color-border);
}

.service-tag--blue {
  color: var(--color-accent);
  background: rgba(37,99,235,0.1);
  border-color: rgba(37,99,235,0.3);
}

.service-card__title {
  font-size: var(--text-md);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.service-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
  flex: 1;
}

.service-card__cta {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-accent);
  transition: gap var(--transition-fast), color var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
}

.service-card__cta:hover {
  color: var(--color-secondary);
}

/* ============================================================
   11. PROJECTS
============================================================ */
.project-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  justify-content: center;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.filter-btn {
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
  cursor: pointer;
}

.filter-btn:hover {
  color: var(--color-text);
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.15);
}

.filter-btn.active {
  color: var(--color-text);
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 380px), 1fr));
  gap: clamp(1.25rem, 2.5vw, 2rem);
}

.project-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  overflow: hidden;
  transition: all var(--transition-base);
}

.project-card:hover {
  border-color: rgba(37,99,235,0.25);
  box-shadow: var(--shadow-lg);
  transform: translateY(-4px);
}

.project-card.hidden {
  display: none;
}

/* Project mockups */
.project-card__visual {
  height: 200px;
  position: relative;
  overflow: hidden;
}

.project-card__mockup {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  border-radius: 0;
}

.project-card__mockup--healthcare { background: linear-gradient(135deg, #0a1628 0%, #0f2148 100%); }
.project-card__mockup--erp        { background: linear-gradient(135deg, #0a1628 0%, #1a0f48 100%); }
.project-card__mockup--restaurant { background: linear-gradient(135deg, #1a0a0a 0%, #2d1010 100%); }
.project-card__mockup--seo        { background: linear-gradient(135deg, #0a1628 0%, #082d48 100%); }
.project-card__mockup--crm        { background: linear-gradient(135deg, #0a1628 0%, #0f3328 100%); }
.project-card__mockup--ecom       { background: linear-gradient(135deg, #1a0a28 0%, #2d1048 100%); }

.mockup-bar {
  height: 28px;
  background: rgba(255,255,255,0.04);
  border-bottom: 1px solid rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  padding: 0 12px;
  gap: 6px;
  flex-shrink: 0;
}

.mockup-bar::before,
.mockup-bar::after {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: rgba(255,255,255,0.12);
}

.mockup-content {
  flex: 1;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  overflow: hidden;
}

.mockup-hero-strip {
  height: 60px;
  background: linear-gradient(90deg, rgba(37,99,235,0.25) 0%, rgba(96,165,250,0.1) 100%);
  border-radius: 6px;
}

.mockup-cards {
  display: flex;
  gap: 6px;
  flex: 1;
}

.mockup-card-sm {
  flex: 1;
  background: rgba(255,255,255,0.05);
  border-radius: 4px;
  border: 1px solid rgba(255,255,255,0.06);
}

.mockup-sidebar {
  width: 50px;
  background: rgba(255,255,255,0.04);
  border-radius: 4px;
  border-right: 1px solid rgba(255,255,255,0.06);
  flex-shrink: 0;
}

.mockup-main {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 4px;
}

.mockup-main {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.mockup-content {
  flex: 1;
  padding: 12px;
  display: flex;
  flex-direction: row;
  gap: 8px;
  overflow: hidden;
}

.mockup-table-row {
  height: 24px;
  background: rgba(255,255,255,0.04);
  border-radius: 3px;
  border: 1px solid rgba(255,255,255,0.04);
}

.mockup-pos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  padding: 12px;
}

.mockup-table-badge {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 6px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.65rem;
  font-weight: 600;
  color: rgba(255,255,255,0.3);
}

.mockup-table-badge.active {
  background: rgba(37,99,235,0.2);
  border-color: rgba(37,99,235,0.4);
  color: var(--color-accent);
}

.mockup-chart {
  width: 100%;
  height: 100%;
  padding: 16px;
}

.mockup-pipeline {
  display: flex;
  gap: 8px;
  padding: 12px;
  height: 100%;
}

.pipeline-col {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 6px;
  background: rgba(255,255,255,0.02);
  border-radius: 4px;
  padding: 6px;
}

.pipeline-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.06);
  border-radius: 4px;
  height: 36px;
}

.pipeline-card--active {
  background: rgba(37,99,235,0.15);
  border-color: rgba(37,99,235,0.3);
}

.mockup-product-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  padding: 12px;
  height: 100%;
}

.mockup-product-card {
  background: rgba(255,255,255,0.04);
  border-radius: 4px;
  border: 1px solid rgba(255,255,255,0.06);
}

/* Project body */
.project-card__body {
  padding: clamp(1.25rem, 3vw, 1.75rem);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.project-tag {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-accent);
}

.project-card__title {
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.project-card__problem,
.project-card__solution {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

.project-card__stack {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.stack-pill {
  font-size: var(--text-xs);
  font-weight: 500;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--color-border);
  color: var(--color-text-dim);
  padding: 2px var(--space-3);
  border-radius: var(--radius-full);
}

.project-card__results {
  display: flex;
  gap: var(--space-6);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-border);
}

.result-stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.result-num {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 800;
  color: var(--color-success);
  letter-spacing: -0.02em;
}

.result-label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ============================================================
   12. WHY LAYONCUBE
============================================================ */
.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr));
  gap: clamp(1rem, 2vw, 1.5rem);
}

.why-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(1.25rem, 3vw, 1.75rem);
  transition: all var(--transition-base);
}

.why-card:hover {
  border-color: rgba(37,99,235,0.25);
  transform: translateY(-3px);
}

.why-card__icon {
  font-size: 1.75rem;
  margin-bottom: var(--space-4);
  display: block;
}

.why-card h3 {
  font-size: var(--text-md);
  font-weight: 700;
  margin-bottom: var(--space-3);
  letter-spacing: -0.01em;
}

.why-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* ============================================================
   13. PROCESS
============================================================ */
.process-timeline {
  max-width: 780px;
  margin-inline: auto;
  position: relative;
}

.process-timeline::before {
  content: '';
  position: absolute;
  left: 2rem;
  top: 0;
  bottom: 0;
  width: 1px;
  background: linear-gradient(to bottom, transparent, var(--color-primary) 10%, var(--color-primary) 90%, transparent);
  opacity: 0.3;
}

@media (min-width: 640px) {
  .process-timeline::before {
    left: 2.25rem;
  }
}

.process-step {
  display: flex;
  gap: clamp(1.25rem, 3vw, 2.5rem);
  padding-bottom: clamp(1.5rem, 3vw, 2.5rem);
  position: relative;
}

.process-step:last-child {
  padding-bottom: 0;
}

.process-step__number {
  flex-shrink: 0;
  width: 4rem;
  height: 4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 800;
  color: var(--color-accent);
  letter-spacing: 0.05em;
  position: relative;
  z-index: 1;
  transition: all var(--transition-base);
}

.process-step:hover .process-step__number {
  background: rgba(37,99,235,0.15);
  border-color: rgba(37,99,235,0.4);
  box-shadow: 0 0 20px rgba(37,99,235,0.2);
}

.process-step__content {
  padding-top: 0.75rem;
}

.process-step__content h3 {
  font-size: var(--text-lg);
  font-weight: 700;
  margin-bottom: var(--space-2);
  letter-spacing: -0.01em;
}

.process-step__content p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* ============================================================
   14. RESULTS / CASE STUDIES
============================================================ */
.results-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 240px), 1fr));
  gap: clamp(1rem, 2vw, 1.5rem);
}

.result-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: clamp(1.5rem, 3vw, 2.5rem);
  text-align: center;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
}

.result-card::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.result-card:hover {
  border-color: rgba(37,99,235,0.25);
  transform: translateY(-4px);
}

.result-card:hover::before {
  transform: scaleX(1);
}

.result-card__icon {
  font-size: 2rem;
  margin-bottom: var(--space-4);
  display: block;
}

.result-card__stat {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 2px;
  margin-bottom: var(--space-4);
}

.result-card__num {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 900;
  letter-spacing: -0.04em;
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
}

.result-card__suffix {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 900;
  background: linear-gradient(135deg, var(--color-secondary) 0%, var(--color-accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.result-card__title {
  font-size: var(--text-md);
  font-weight: 700;
  margin-bottom: var(--space-3);
}

.result-card__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.65;
}

/* ============================================================
   15. TECHNOLOGY STACK
============================================================ */
.tech-categories {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 260px), 1fr));
  gap: clamp(1.5rem, 3vw, 2.5rem);
}

.tech-category__title {
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-4);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.tech-cards {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.tech-card {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-5);
  transition: all var(--transition-base);
  cursor: default;
}

.tech-card:hover {
  border-color: rgba(37,99,235,0.3);
  background: var(--color-card-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}

.tech-card__icon {
  font-size: 1.25rem;
}

.tech-card__name {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}

/* ============================================================
   16. TESTIMONIALS
============================================================ */
.testimonials-slider {
  overflow: hidden;
  position: relative;
  margin-bottom: var(--space-8);
}

.testimonials-track {
  display: flex;
  transition: transform var(--transition-slow);
  will-change: transform;
}

.testimonial-card {
  flex: 0 0 100%;
  max-width: 700px;
  margin-inline: auto;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: clamp(1.5rem, 4vw, 2.5rem);
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.testimonial-stars {
  color: var(--color-warning);
  font-size: 1.1rem;
  letter-spacing: 2px;
}

.testimonial-quote {
  font-size: var(--text-md);
  color: var(--color-text);
  line-height: 1.75;
  font-style: normal;
  border: none;
  padding: 0;
  margin: 0;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-top: auto;
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: var(--text-sm);
  flex-shrink: 0;
}

.testimonial-name {
  display: block;
  font-weight: 700;
  font-size: var(--text-sm);
  font-style: normal;
}

.testimonial-role {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

.testimonials-controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-5);
}

.slider-btn {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-card);
  border: 1px solid var(--color-border);
  color: var(--color-text);
  font-size: 1.25rem;
  cursor: pointer;
  transition: all var(--transition-base);
}

.slider-btn:hover {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.slider-dots {
  display: flex;
  gap: var(--space-2);
}

.slider-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-text-dim);
  border: none;
  cursor: pointer;
  transition: all var(--transition-base);
  padding: 0;
}

.slider-dot.active {
  background: var(--color-primary);
  width: 24px;
  border-radius: 4px;
}

/* ============================================================
   17. FAQ
============================================================ */
.faq-grid {
  max-width: 780px;
  margin-inline: auto;
}

.faq-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.faq-item {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition-base);
}

.faq-item.open {
  border-color: rgba(37,99,235,0.3);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: clamp(1rem, 3vw, 1.25rem) clamp(1rem, 3vw, 1.5rem);
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--color-text);
  text-align: left;
  cursor: pointer;
  transition: background var(--transition-fast);
  gap: var(--space-4);
  background: none;
  border: none;
}

.faq-question:hover {
  background: rgba(255,255,255,0.02);
}

.faq-icon {
  flex-shrink: 0;
  font-size: 1.25rem;
  color: var(--color-accent);
  transition: transform var(--transition-base);
  line-height: 1;
  font-weight: 300;
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-base);
}

.faq-answer.open {
  max-height: 400px;
}

.faq-answer p {
  padding: 0 clamp(1rem, 3vw, 1.5rem) clamp(1rem, 3vw, 1.25rem);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ============================================================
   18. CONTACT
============================================================ */
.contact-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 4vw, 4rem);
  max-width: 1000px;
  margin-inline: auto;
}

@media (min-width: 768px) {
  .contact-layout {
    grid-template-columns: 320px 1fr;
    align-items: start;
  }
}

.contact-sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.contact-sidebar__title {
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-2);
}

.contact-channel {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-4) var(--space-5);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--transition-base);
  text-decoration: none;
}

.contact-channel:hover {
  border-color: rgba(37,99,235,0.3);
  background: var(--color-card-hover);
  transform: translateX(4px);
}

.contact-channel__icon {
  font-size: 1.5rem;
  flex-shrink: 0;
}

.contact-channel__label {
  display: block;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: 2px;
}

.contact-channel__value {
  display: block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}

.contact-sidebar__note {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-success);
  box-shadow: 0 0 8px rgba(34,197,94,0.5);
  flex-shrink: 0;
}

/* Form */
.contact-form-wrapper {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: clamp(1.5rem, 4vw, 2.5rem);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-5);
}

@media (min-width: 640px) {
  .form-row {
    grid-template-columns: 1fr 1fr;
  }
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.form-label {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text);
}

.form-required {
  color: var(--color-error);
  margin-left: 2px;
}

.form-input {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 0.625rem var(--space-4);
  font-size: var(--text-sm);
  color: var(--color-text);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  width: 100%;
}

.form-input::placeholder {
  color: var(--color-text-dim);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.15);
}

.form-input:invalid:not(:placeholder-shown) {
  border-color: var(--color-error);
}

.form-select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2364748B' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form-select option {
  background: var(--color-card);
  color: var(--color-text);
}

.form-textarea {
  resize: vertical;
  min-height: 130px;
  line-height: 1.6;
}

.form-error {
  font-size: var(--text-xs);
  color: var(--color-error);
  min-height: 1em;
}

.form-hint {
  font-size: var(--text-xs);
  color: var(--color-text-dim);
}

.form-privacy {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  line-height: 1.6;
}

.form-privacy input[type="checkbox"] {
  margin-top: 2px;
  accent-color: var(--color-primary);
  flex-shrink: 0;
}

.form-honeypot {
  position: absolute;
  left: -9999px;
  top: -9999px;
  width: 0;
  height: 0;
  overflow: hidden;
  visibility: hidden;
}

.form-success {
  display: none;
  align-items: center;
  gap: var(--space-3);
  background: rgba(34,197,94,0.1);
  border: 1px solid rgba(34,197,94,0.25);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-success);
}

.form-success.visible {
  display: flex;
}

.form-success__icon {
  font-size: 1.25rem;
  flex-shrink: 0;
}

/* ============================================================
   19. FOOTER
============================================================ */
.footer {
  background: var(--color-bg-2);
  border-top: 1px solid var(--color-border);
  padding-top: var(--space-20);
  padding-bottom: var(--space-8);
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(2rem, 4vw, 3rem);
  margin-bottom: var(--space-12);
}

@media (min-width: 640px) {
  .footer-top {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-top {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.footer-brand {
  display: flex;
  flex-direction: column;
  gap: var(--space-5);
}

.footer-brand__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 300px;
}

.footer-social {
  display: flex;
  gap: var(--space-3);
}

.social-link {
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255,255,255,0.04);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text-muted);
  transition: all var(--transition-base);
  text-decoration: none;
}

.social-link:hover {
  background: rgba(37,99,235,0.15);
  border-color: rgba(37,99,235,0.3);
  color: var(--color-accent);
}

.footer-col__title {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-5);
  letter-spacing: 0.02em;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer-link {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  transition: color var(--transition-fast);
  text-decoration: none;
}

.footer-link:hover {
  color: var(--color-text);
}

.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  padding-top: var(--space-8);
  border-top: 1px solid var(--color-border);
}

.footer-copyright {
  font-size: var(--text-sm);
  color: var(--color-text-dim);
}

.footer-legal {
  display: flex;
  gap: var(--space-5);
  flex-wrap: wrap;
}

.footer-legal-link {
  font-size: var(--text-sm);
  color: var(--color-text-dim);
  transition: color var(--transition-fast);
  text-decoration: none;
}

.footer-legal-link:hover {
  color: var(--color-text-muted);
}

/* ============================================================
   20. BACK TO TOP
============================================================ */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--color-primary);
  color: #fff;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
  transition: all var(--transition-base);
  box-shadow: 0 4px 16px rgba(37,99,235,0.4);
  z-index: 500;
  border: none;
}

.back-to-top.visible {
  opacity: 1;
  pointer-events: all;
  transform: none;
}

.back-to-top:hover {
  background: var(--color-secondary);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(37,99,235,0.5);
}

/* ============================================================
   21. INPUT STATES
============================================================ */
.form-input.error {
  border-color: var(--color-error);
}

.form-input.success {
  border-color: var(--color-success);
}